<div class="triangle"></div>
<div class="ns-popover-tooltip">
    <div class="remove-confirm-button-area">
        <div class="remove-confirm-text">确定要删除该卡片？</div>
        <div class="remove-confirm-button-area">
            <button class="btn remove-confirm-button" type="button" ng-click="deleteCard()">
                确定
            </button>
        </div>
    </div>
</div>